#5766B2#5766B2

#5766B2 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.4% C 0.120 H 273.3°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#5766B2
RGB	rgb(87, 102, 178)
HSL	hsl(230, 37%, 52%)
HSV	hsv(230, 51%, 70%)
CMYK	cmyk(51.1%, 42.7%, 0%, 30.2%)
CIE-LAB	lab(45.28, 16.00, -42.29)
CIE-LCH	lch(45.28, 45.22, 290.72°)
OKLab	oklab(53.42% 0.0069 -0.1199)
OKLCH	oklch(53.42% 0.12 273.3)
XYZ	xyz(16.7152, 14.7423, 44.0756)
Luminance	0.1474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5766B2 #B2A357

analogous

#5794B2 #5766B2 #7657B2

triadic

#5766B2 #B25766 #66B257

tetradic

#5766B2 #B25794 #B2A357 #57B276

square

#5766B2 #B25794 #B2A357 #57B276

split-complementary

#5766B2 #B27657 #94B257

monochromatic

#2D3662 #404D8C #5766B2 #818CC5 #ABB2D8

Accessibility & contrast

On white

5.32

#5766B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#5766B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5766B2

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5766B2	#FFFFFF	#000000	##FFFFFF
##5766B2	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476FB5

Deuteranopia (green-blind)

#3E68B0

Tritanopia (blue-blind)

#307683

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5766b2;
/* rgb */ color: rgb(87, 102, 178);
/* oklch */ color: oklch(53.4% 0.120 273.3);

Tailwind

colors: {
  custom: {
    50: '#8c91c9',
    500: '#5766b2',
    950: '#000000',
  },
}

SCSS

$custom: #5766b2;
$custom-light: #8c91c9;
$custom-dark: #000000;

JSON

{
  "hex": "#5766b2",
  "rgb": {
    "r": 87,
    "g": 102,
    "b": 178
  },
  "hsl": {
    "h": 230.11,
    "s": 37.143,
    "l": 51.961
  },
  "oklch": {
    "l": 0.53419,
    "c": 0.12012,
    "h": 273.3
  },
  "luminance": 0.14743
}

Semantic roles & 50–950 ramp

primary

#5766B2

secondary

#C6C09E

accent

#BA5BCD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #5766B2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →